Home / 21,599.68-32,343.47-18,499.61

Finding the Fourth Proportional to 21,599.68, 32,343.47 and 18,499.61

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Solution

The fourth proportional to 21,599.68, 32,343.47 and 18,499.61 is: 27,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.68 : 32,343.47 = 18,499.61 : x
  2. Step 2: Convert to fraction form
    21,599.68/32,343.47 = 18,499.61/x
  3. Step 3: Cross multiply
    21,599.68x = 32,343.47 × 18,499.61
  4. Step 4: Simplify right side
    21,599.68x = 598,341,581.05
  5. Step 5: Solve for x
    x = 598,341,581.05/21,599.68
  6. Step 6: Final answer
    x = 27,701.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.